When Windows loads, the drive will not appear in "This PC" because it hasn't been formatted yet. Right-click the Start button and select Disk Management. A window should pop up automatically asking you to "Initialize Disk." Choose GPT (GUID Partition Table) for modern systems and click OK.
Look for the – these are typically metal cages located in the front-bottom or front-middle area of the case. They may be tool-less (with plastic clips) or require screws. how to install hdd